The FlowFile is not valid json.      Try something like a basic json example found on the internet:   {"results":[{"term":"term1"},{"term":"term2"}..]}  Notice the object results is the array of values and everything is "quoted".   Something like this based on your sample image: { "world_rank": "1", "country": "China", "population": "1388232694", "World": "0.185" }    If you have to use what you have in the sample image, then you will need to extracText (link here for examples of regex to match values) to get the values for world_rank, country, population, world.   Each values attribute regex like this:     .*world_rank :(.*?) .* .*country: (.*?) .* .*population: (.*?) .* .*world: (.*?) .*     Then use attributesToJson to build the Json object of the attributes you defined above which you can then send to the reader and ultimately to MongoDb.     If my reply helps you solve your Use Case, please accept it as a solution to close the topic.   ... View more

I believe the best thing to do is jump right in.  Start working with Cloudera Products.  Complete some demos, join in online training, study documentation, and start creating experience.   As an example here are a few things that Solution Architects work on at Cloudera:   Install CDH or previous products: CDM, HDP, & HDF. Hadoop Yarn & Map Reduce Spark Kafka Hive & Hive LLAP NiFi, NiFi Registry, & Schema Registry Security (SSL, Encryption, etc) Active Directory, LDAP, and Ranger Other Components:  Hbase, Solar, Impala, Zeppelin Cloudera Course List: https://ondemand.cloudera.com/courses   Free CDP Essentials: https://www.cloudera.com/about/training/courses/cloudera-essentials-for-cdp.html (free) ... View more

Based on your content, the values are accessed as follows:   $.HR.finance.name $.HR.finance.age ... View more